1000100000999 has 16 divisors (see below), whose sum is σ = 1129037512320. Its totient is φ = 877521156960.

The previous prime is 1000100000929. The next prime is 1000100001011. The reversal of 1000100000999 is 9990000010001.

It is not a de Polignac number, because 1000100000999 - 2²⁸ = 999831565543 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (29).

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1000100000929) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 355544 + ... + 1458290.

It is an arithmetic number, because the mean of its divisors is an integer number (70564844520).

Almost surely, 2^{1000100000999} is an apocalyptic number.

1000100000999 is a deficient number, since it is larger than the sum of its proper divisors (128937511321).

1000100000999 is a wasteful number, since it uses less digits than its factorization.

1000100000999 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1105630.

The product of its (nonzero) digits is 729, while the sum is 29.

The spelling of 1000100000999 in words is "one trillion, one hundred million, nine hundred ninety-nine", and thus it is an aban number.